Aluminum in Cold Weather, Cold Temperature Applications

AEng123 · Jun 27, 2022

Hello,

I am looking to fabricate a lift device for use in cold weather (down to -45C). Aluminum 6061-T6 appears to be acceptable from the information I have, -45 will only make aluminum stronger (do not need to worry about brittleness like with steel).

Anyone have any knowledge of Aluminum and cold weather (down to -45C) being an issue?

Thanks in advance!

LittleInch · Jun 27, 2022

Well before Invar became a thing, they used to make LNG (-168C) tanks and pipes from Aluminium so -45 shouldn't be a big issue, but I guess there are different grades of /Aluminium.

Plenty of info about like this

https://www.totalmateria.com/Articl... 5083-O which is,About 10% in yield strength.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

blacksmith37 · Jun 27, 2022

Aluminum is used for exchangers in cryogenic exchangers for nat gas separation. I don't know temperatures ,but much lower than - 45C.

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Aluminum in Cold Weather, Cold Temperature Applications

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